def prepare_editable_requirement(
self,
req: InstallRequirement,
) -> BaseDistribution:
"""Prepare an editable requirement."""
assert req.editable, "cannot prepare a non-editable req as editable"
logger.info("Obtaining %s", req)
with indent_log():
if self.require_hashes:
raise InstallationError(
"The editable requirement {} cannot be installed when "
"requiring hashes, because there is no single file to "
"hash.".format(req))
req.ensure_has_source_dir(self.src_dir)
req.update_editable()
assert req.source_dir
req.download_info = direct_url_for_editable(
req.unpacked_source_directory)
dist = _get_prepared_distribution(
req,
self.build_tracker,
self.finder,
self.build_isolation,
self.check_build_deps,
)
req.check_if_exists(self.use_user_site)
return dist
def install(
self,
install_options: List[str],
global_options: Optional[Sequence[str]] = None,
root: Optional[str] = None,
home: Optional[str] = None,
prefix: Optional[str] = None,
warn_script_location: bool = True,
use_user_site: bool = False,
pycompile: bool = True,
) -> None:
scheme = get_scheme(
self.name,
user=use_user_site,
home=home,
root=root,
isolated=self.isolated,
prefix=prefix,
)
global_options = global_options if global_options is not None else []
if self.editable and not self.is_wheel:
install_editable_legacy(
install_options,
global_options,
prefix=prefix,
home=home,
use_user_site=use_user_site,
name=self.name,
setup_py_path=self.setup_py_path,
isolated=self.isolated,
build_env=self.build_env,
unpacked_source_directory=self.unpacked_source_directory,
)
self.install_succeeded = True
return
if self.is_wheel:
assert self.local_file_path
direct_url = None
# TODO this can be refactored to direct_url = self.download_info
if self.editable:
direct_url = direct_url_for_editable(
self.unpacked_source_directory)
elif self.original_link:
direct_url = direct_url_from_link(
self.original_link,
self.source_dir,
self.original_link_is_in_wheel_cache,
)
install_wheel(
self.name,
self.local_file_path,
scheme=scheme,
req_description=str(self.req),
pycompile=pycompile,
warn_script_location=warn_script_location,
direct_url=direct_url,
requested=self.user_supplied,
)
self.install_succeeded = True
return
# TODO: Why don't we do this for editable installs?
# Extend the list of global and install options passed on to
# the setup.py call with the ones from the requirements file.
# Options specified in requirements file override those
# specified on the command line, since the last option given
# to setup.py is the one that is used.
global_options = list(global_options) + self.global_options
install_options = list(install_options) + self.install_options
try:
success = install_legacy(
install_options=install_options,
global_options=global_options,
root=root,
home=home,
prefix=prefix,
use_user_site=use_user_site,
pycompile=pycompile,
scheme=scheme,
setup_py_path=self.setup_py_path,
isolated=self.isolated,
req_name=self.name,
build_env=self.build_env,
unpacked_source_directory=self.unpacked_source_directory,
req_description=str(self.req),
)
except LegacyInstallFailure as exc:
self.install_succeeded = False
raise exc
except Exception:
self.install_succeeded = True
raise
self.install_succeeded = success
if success and self.legacy_install_reason == 8368:
deprecated(
reason=("{} was installed using the legacy 'setup.py install' "
"method, because a wheel could not be built for it.".
format(self.name)),
replacement="to fix the wheel build issue reported above",
gone_in=None,
issue=8368,
)
